// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: Operator x - y produces the same result as x + (-y)
es5id: 11.6.2_A4_T5
description: >
    Using the rule of sum of two zeroes and the fact that a - b = a +
    (-b)
---*/

//CHECK#1
function Test() {
    if (-0 - -0 !== 0 ) {  
      throw new Test262Error('#1.1: -0 - -0 === 0. Actual: ' + (-0 - -0));
    } else {
      if (1 / (-0 - -0) !== Number.POSITIVE_INFINITY) {
        throw new Test262Error('#1.2: -0 - -0 === + 0. Actual: -0');
      }
    }

//CHECK#2
    if (0 - -0 !== 0 ) {  
      throw new Test262Error('#2.1: 0 - -0 === 0. Actual: ' + (0 - -0));
    } else {
      if (1 / (0 - -0) !== Number.POSITIVE_INFINITY) {
        throw new Test262Error('#2.2: 0 - -0 === + 0. Actual: -0');
      }
    }

//CHECK#3
    if (-0 - 0 !== -0 ) {  
      throw new Test262Error('#3.1: -0 - 0 === 0. Actual: ' + (-0 - 0));
    } else {
      if (1 / (-0 - 0) !== Number.NEGATIVE_INFINITY) {
        throw new Test262Error('#3.2: -0 - 0 === - 0. Actual: +0');
      }
    }

//CHECK#4
    if (0 - 0 !== 0 ) {  
      throw new Test262Error('#4.1: 0 - 0 === 0. Actual: ' + (0 - 0));
    } else {
      if (1 / (0 - 0) !== Number.POSITIVE_INFINITY) {
        throw new Test262Error('#4.2: 0 - 0 === + 0. Actual: -0');
      }
    }
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
